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1 | /* RISC-V simulator. |
2 | ||
3 | Copyright (C) 2005-2021 Free Software Foundation, Inc. | |
4 | Contributed by Mike Frysinger. | |
5 | ||
6 | This file is part of simulators. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef SIM_MAIN_H | |
22 | #define SIM_MAIN_H | |
23 | ||
24 | #include "sim-basics.h" | |
25 | #include "machs.h" | |
26 | #include "sim-base.h" | |
27 | ||
28 | struct _sim_cpu { | |
29 | union { | |
30 | unsigned_word regs[32]; | |
31 | struct { | |
32 | /* These are the ABI names. */ | |
33 | unsigned_word zero, ra, sp, gp, tp; | |
34 | unsigned_word t0, t1, t2; | |
35 | unsigned_word s0, s1; | |
36 | unsigned_word a0, a1, a2, a3, a4, a5, a6, a7; | |
37 | unsigned_word s2, s3, s4, s5, s6, s7, s8, s9, s10, s11; | |
38 | unsigned_word t3, t4, t5, t6; | |
39 | }; | |
40 | }; | |
41 | union { | |
42 | unsigned_word fpregs[32]; | |
43 | struct { | |
44 | /* These are the ABI names. */ | |
45 | unsigned_word ft0, ft1, ft2, ft3, ft4, ft5, ft6, ft7; | |
46 | unsigned_word fs0, fs1; | |
47 | unsigned_word fa0, fa1, fa2, fa3, fa4, fa5, fa6, fa7; | |
48 | unsigned_word fs2, fs3, fs4, fs5, fs6, fs7, fs8, fs9, fs10, fs11; | |
49 | unsigned_word ft8, ft9, ft10, ft11; | |
50 | }; | |
51 | }; | |
52 | sim_cia pc; | |
53 | ||
54 | struct { | |
55 | #define DECLARE_CSR(name, ...) unsigned_word name; | |
56 | #include "opcode/riscv-opc.h" | |
57 | #undef DECLARE_CSR | |
58 | } csr; | |
59 | ||
60 | sim_cpu_base base; | |
61 | }; | |
62 | ||
63 | struct atomic_mem_reserved_list; | |
64 | struct atomic_mem_reserved_list { | |
65 | struct atomic_mem_reserved_list *next; | |
66 | address_word addr; | |
67 | }; | |
68 | ||
69 | struct sim_state { | |
70 | sim_cpu *cpu[MAX_NR_PROCESSORS]; | |
71 | struct atomic_mem_reserved_list *amo_reserved_list; | |
72 | ||
73 | /* ... simulator specific members ... */ | |
74 | sim_state_base base; | |
75 | }; | |
76 | ||
77 | extern void step_once (SIM_CPU *); | |
78 | extern void initialize_cpu (SIM_DESC, SIM_CPU *, int); | |
79 | extern void initialize_env (SIM_DESC, const char * const *argv, | |
80 | const char * const *env); | |
81 | ||
82 | #define DEFAULT_MEM_SIZE (64 * 1024 * 1024) | |
83 | ||
84 | #define RISCV_XLEN(cpu) MACH_WORD_BITSIZE (CPU_MACH (cpu)) | |
85 | ||
86 | #endif |